Mercurial > urweb
view demo/counter.ur @ 1451:b6ce8ef0ea88
Before allowing an indirect return, check (dynamically, for now) that we aren't in an RPC handler
author | Adam Chlipala <adam@chlipala.net> |
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date | Sun, 17 Apr 2011 13:43:00 -0400 |
parents | 4359e185d3af |
children |
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(* Workhorse function, which [main] will call *) fun counter n = return <xml><body> Current counter: {[n]}<br/> <a link={counter (n + 1)}>Increment</a><br/> <a link={counter (n - 1)}>Decrement</a> </body></xml> fun main () = counter 0